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Message-Id: <1472882234-19385-1-git-send-email-baoyou.xie@linaro.org>
Date:   Sat,  3 Sep 2016 13:57:14 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     alexander.deucher@....com, christian.koenig@....com,
        airlied@...ux.ie, Rex.Zhu@....com, Jammy.Zhou@....com,
        elfring@...rs.sourceforge.net, ray.huang@....com,
        Young.Yang@....com, airlied@...hat.com, Mykola.Lysenko@....com,
        dan.carpenter@...cle.com, David1.Zhou@....com, Monk.Liu@....com,
        Jerry.Zhang@....com, samuel.li@....com, tom.stdenis@....com,
        Flora.Cui@....com, JinHuiEric.Huang@....com,
        funfunctor@...klore1984.net
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, baoyou.xie@...aro.org, xie.baoyou@....com.cn
Subject: [PATCH] drm: amdgpu: mark symbols static where possible

We get a few warnings when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/cz_smc.c:51:5: warning: no previous prototype for 'cz_send_msg_to_smc_async' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/cz_smc.c:143:5: warning: no previous prototype for 'cz_write_smc_sram_dword' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/iceland_smc.c:124:6: warning: no previous prototype for 'iceland_start_smc' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:3926:6: warning: no previous prototype for 'gfx_v8_0_rlc_stop' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c:94:6: warning: no previous prototype for 'amdgpu_job_free_cb' [-Wmissing-prototypes]
....

In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks these functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c   | 2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_job.c  | 2 +-
 drivers/gpu/drm/amd/amdgpu/cz_smc.c      | 4 ++--
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c    | 2 +-
 drivers/gpu/drm/amd/amdgpu/iceland_smc.c | 8 ++++----
 6 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index bc0440f..a831218 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -616,7 +616,7 @@ static int amdgpu_cgs_irq_put(struct cgs_device *cgs_device, unsigned src_id, un
 	return amdgpu_irq_put(adev, adev->irq.sources[src_id], type);
 }
 
-int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
+static int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_clockgating_state state)
 {
@@ -637,7 +637,7 @@ int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
 	return r;
 }
 
-int amdgpu_cgs_set_powergating_state(struct cgs_device *cgs_device,
+static int amdgpu_cgs_set_powergating_state(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_powergating_state state)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0307ff5..f65bdaf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -287,7 +287,7 @@ static u64 amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev)
 	return max(bytes_moved_threshold, 1024*1024ull);
 }
 
-int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
+static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 			    struct list_head *validated)
 {
 	struct amdgpu_bo_list_entry *lobj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 6674d40..31bfe3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -91,7 +91,7 @@ void amdgpu_job_free_resources(struct amdgpu_job *job)
 		amdgpu_ib_free(job->adev, &job->ibs[i], f);
 }
 
-void amdgpu_job_free_cb(struct amd_sched_job *s_job)
+static void amdgpu_job_free_cb(struct amd_sched_job *s_job)
 {
 	struct amdgpu_job *job = container_of(s_job, struct amdgpu_job, base);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_smc.c b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
index ac7fee7..c80c2e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
@@ -48,7 +48,7 @@ static struct cz_smu_private_data *cz_smu_get_priv(struct amdgpu_device *adev)
 	return priv;
 }
 
-int cz_send_msg_to_smc_async(struct amdgpu_device *adev, u16 msg)
+static int cz_send_msg_to_smc_async(struct amdgpu_device *adev, u16 msg)
 {
 	int i;
 	u32 content = 0, tmp;
@@ -140,7 +140,7 @@ int cz_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
 	return 0;
 }
 
-int cz_write_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
+static int cz_write_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
 						u32 value, u32 limit)
 {
 	int ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index bff8668..6997f7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3923,7 +3923,7 @@ static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
 	}
 }
 
-void gfx_v8_0_rlc_stop(struct amdgpu_device *adev)
+static void gfx_v8_0_rlc_stop(struct amdgpu_device *adev)
 {
 	u32 tmp = RREG32(mmRLC_CNTL);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
index 2118399..ef7c27d 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
@@ -121,7 +121,7 @@ out:
 	return result;
 }
 
-void iceland_start_smc(struct amdgpu_device *adev)
+static void iceland_start_smc(struct amdgpu_device *adev)
 {
 	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
 
@@ -129,7 +129,7 @@ void iceland_start_smc(struct amdgpu_device *adev)
 	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
 }
 
-void iceland_reset_smc(struct amdgpu_device *adev)
+static void iceland_reset_smc(struct amdgpu_device *adev)
 {
 	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
 
@@ -145,7 +145,7 @@ static int iceland_program_jump_on_start(struct amdgpu_device *adev)
 	return 0;
 }
 
-void iceland_stop_smc_clock(struct amdgpu_device *adev)
+static void iceland_stop_smc_clock(struct amdgpu_device *adev)
 {
 	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
 
@@ -153,7 +153,7 @@ void iceland_stop_smc_clock(struct amdgpu_device *adev)
 	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
 }
 
-void iceland_start_smc_clock(struct amdgpu_device *adev)
+static void iceland_start_smc_clock(struct amdgpu_device *adev)
 {
 	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
 
-- 
2.7.4

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